-al -ol a-a a-c aaa aac aag aak aal aan aao aar ac- aca acc acg ack acl acn aco acr ag- aga agc agg agk agl agn ago agr aka akc akg akk akl akn ako akr al- ala alc alg alk all aln alo alr an- ana anc ang ank anl ann ano anr aoa aoc aog aok aol aon aoo aor ar- ara arc arg ark arl arn aro arr c-- caa cac cag cak cal can cao car cca ccc ccg cck ccl ccn cco ccr cga cgc cgg cgl cgn cgo cgr cka ckc cko cl- cla clc clg clk cll cln clo clr cn- cna cnc cng cnl cnn cno cnr co- coa coc cog cok col con coo cor cra crc crg crk crl crn cro crr gaa gac gag gak gal gan gao gar gca gcc gcg gck gcl gcn gco gcr gga ggc ggg ggn ggo ggr gka gkn gko gla glc glg glk gll gln glo glr gna gnc gnl gnn gno gnr goa goc gog gok gol gon goo gor gra grc grg grk grl grn gro grr ka- kaa kac kag kak kal kan kao kar kca kcc kcg kck kcl kcn kcr kga kgc kgl kgo kkc kkk kkl kkn kkr kl- kla klc klg klo klr kn- kna knc kng knk knl knn kno knr koa koc kog kok kol kon koo kor kra krc krg krk krl krn kro krr la- laa lac lag lak lal lan lao lar lca lcc lcg lck lcl lcn lco lcr lga lgc lgg lgk lgl lgn lgo lgr lka lkg lkl lkr lla llc llg llk lll lln llo llr lna lnc lng lnk lnl lnn lno lnr loa loc log lok lol lon loo lor lra lrc lrg lrk lrn lro lrr naa nac nag nak nal nan nao nar nca ncc ncg nck ncl ncn nco ncr nga ngc ngg ngk ngl ngn ngo nka nkc nkk nkn nko nkr nla nlc nlg nlk nll nln nlo nlr nna nnc nng nnk nnl nnn nno no- noa noc nog nok nol non noo nor nra nrc nrg nrk nrl nrn nro nrr oaa oac oag oak oal oan oao oar oc- oca occ ocg ock ocl ocn oco ocr oga ogc ogg ogl ogn ogo oka okc okg okk okl oko okr ola olc olg olk oll oln olo on- ona onc ong onk onl onn ono onr oo- ooa ooc oog ook ool oon ooo oor or- ora orc org ork orl orn oro orr ra- raa rac rag rak ral ran rao rar rca rcc rcg rcl rcn rco rcr rga rgc rgg rgk rgn rgo rgr rkc rkg rkk rko rla rlc rlg rll rln rlo rlr rna rnc rng rnn rno rnr roa roc rog rok rol ron roo ror rra rrc rrg rrk rrl rrn rrr